initial vibecode lol
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230
index.html
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230
index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Frugger</title>
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<style>
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body { margin: 0; background: #222; overflow: hidden; }
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canvas { display: block; margin: auto; background: #4aa3d8; }
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</style>
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</head>
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<body>
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<canvas id="game"></canvas>
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<script>
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const canvas = document.getElementById("game");
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const ctx = canvas.getContext("2d");
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canvas.width = window.innerWidth;
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canvas.height = window.innerHeight;
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// --- Game state ---
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let frog = { x: 0, y: 0, z: 0 };
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let pads = [];
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let currentPad = 0;
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let charging = false;
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let charge = 0;
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let score = 0;
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// --- Camera ---
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let camera = { x: 0, y: 0 };
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// --- Settings (adjusted) ---
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const GRAVITY = 0.3; // lower gravity = slower fall
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const MAX_CHARGE = 20;
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const JUMP_POWER = 0.8; // higher arc
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const HORIZONTAL_SCALE = 0.012; // slower forward movement
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// --- Create lily pads ---
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function generatePads() {
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pads = [{ x: 0, y: 0 }];
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for (let i = 1; i < 20; i++) {
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pads.push({
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x: pads[i-1].x + (Math.random() * 200 + 150),
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y: pads[i-1].y + (Math.random() * 200 - 100)
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});
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}
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}
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generatePads();
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// --- Reset frog ---
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function resetFrog() {
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frog.x = pads[currentPad].x;
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frog.y = pads[currentPad].y;
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frog.z = 0;
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// center camera on current pad
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camera.x = frog.x;
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camera.y = frog.y;
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}
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resetFrog();
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// --- Input ---
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window.addEventListener("keydown", e => {
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if (e.code === "Space") charging = true;
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});
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window.addEventListener("keyup", e => {
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if (e.code === "Space") {
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charging = false;
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jump();
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}
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});
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// --- Jump physics ---
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let velocity = { x: 0, y: 0, z: 0 };
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let jumping = false;
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function jump() {
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if (jumping) return;
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const next = pads[currentPad + 1];
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if (!next) return;
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const dx = next.x - frog.x;
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const dy = next.y - frog.y;
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velocity.x = dx * charge * HORIZONTAL_SCALE;
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velocity.y = dy * charge * HORIZONTAL_SCALE;
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velocity.z = charge * JUMP_POWER;
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jumping = true;
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charge = 0;
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}
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// --- Update ---
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function update() {
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if (charging) {
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charge += 0.3;
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if (charge > MAX_CHARGE) charge = MAX_CHARGE;
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}
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if (jumping) {
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frog.x += velocity.x;
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frog.y += velocity.y;
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frog.z += velocity.z;
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velocity.z -= GRAVITY;
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if (frog.z <= 0) {
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frog.z = 0;
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jumping = false;
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checkLanding();
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}
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}
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// smooth camera follow
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camera.x += (pads[currentPad].x - camera.x) * 0.1;
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camera.y += (pads[currentPad].y - camera.y) * 0.1;
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}
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// --- Landing check ---
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function checkLanding() {
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const next = pads[currentPad + 1];
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if (!next) return;
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const dist = Math.hypot(frog.x - next.x, frog.y - next.y);
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if (dist < 40) {
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currentPad++;
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score += 10;
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} else {
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score -= 5;
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}
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resetFrog();
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}
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// --- Isometric projection with camera ---
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function iso(x, y, z = 0) {
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const sx = x - camera.x;
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const sy = y - camera.y;
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return {
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x: canvas.width / 2 + (sx - sy),
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y: canvas.height / 2 + (sx + sy) / 2 - z
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};
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}
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// --- Draw lily pads ---
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function drawPads() {
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for (let i = 0; i < pads.length; i++) {
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const p = iso(pads[i].x, pads[i].y);
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ctx.fillStyle = i === currentPad ? "#2ecc71" : "#27ae60";
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ctx.beginPath();
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ctx.ellipse(p.x, p.y, 50, 25, 0, 0, Math.PI * 2);
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ctx.fill();
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}
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}
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// --- Draw frog ---
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function drawFrog() {
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const p = iso(frog.x, frog.y, frog.z);
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ctx.fillStyle = "lime";
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ctx.beginPath();
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ctx.arc(p.x, p.y - 10, 15, 0, Math.PI * 2);
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ctx.fill();
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}
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// --- Trajectory preview ---
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function drawTrajectory() {
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if (!charging || jumping) return;
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const next = pads[currentPad + 1];
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if (!next) return;
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const dx = next.x - frog.x;
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const dy = next.y - frog.y;
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let vx = dx * charge * HORIZONTAL_SCALE;
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let vy = dy * charge * HORIZONTAL_SCALE;
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let vz = charge * JUMP_POWER;
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let tx = frog.x;
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let ty = frog.y;
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let tz = frog.z;
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ctx.strokeStyle = "rgba(255,255,255,0.5)";
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ctx.beginPath();
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for (let i = 0; i < 40; i++) {
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tx += vx;
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ty += vy;
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tz += vz;
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vz -= GRAVITY;
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if (tz < 0) break;
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const p = iso(tx, ty, tz);
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ctx.lineTo(p.x, p.y);
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}
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ctx.stroke();
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}
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// --- Draw score ---
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function drawUI() {
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ctx.fillStyle = "white";
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ctx.font = "20px Arial";
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ctx.fillText("Score: " + score, 20, 30);
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}
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// --- Main loop ---
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function loop() {
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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update();
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drawPads();
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drawTrajectory();
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drawFrog();
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drawUI();
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requestAnimationFrame(loop);
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}
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loop();
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</script>
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</body>
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</html>
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